<template>
    <div class="login-page">
        <div class="layer bg" id="login"></div>
        <div class="layer flex-center">
            <!-- logo部分 -->
            <div class="logo-group">
                <!--<img src="./image/logo.png" alt="logo">-->
                <img :src="`${$baseUrl}image/logo.png`" style="height: 120px;"/>
            </div>
            <!-- 表单部分 -->
            <div class="form-group">
                <el-card>
                    <el-form ref="loginForm" label-position="top" :rules="rules" :model="formLogin" size="default">
                        <el-form-item prop="username">
                            <el-input type="text" v-model="formLogin.username" placeholder="用户名">
                                <i slot="prepend" class="fa fa-user-circle-o"></i>
                            </el-input>
                        </el-form-item>
                        <el-form-item prop="password">
                            <el-input type="password" v-model="formLogin.password" placeholder="密码">
                                <i slot="prepend" class="fa fa-keyboard-o"></i>
                            </el-input>
                        </el-form-item>
                        <el-form-item prop="code">
                            <el-input type="text" v-model="formLogin.code" placeholder="- - - -">
                                <template slot="prepend">验证码</template>
                                <template slot="append">
                                    <img class="login-code" src="./image/login-code.png">
                                </template>
                            </el-input>
                        </el-form-item>
                        <el-button size="default" @click="submit" :loading="loading" type="primary" class="button-login">登录</el-button>
                    </el-form>
                </el-card>
            </div>
            <!-- 快速登录按钮 -->
            <el-button size="default" type="info" class="button-help" @click="dialogVisible = true">
                快速选择用户（测试功能）
            </el-button>
        </div>
        <el-dialog
                title="快速选择用户"
                :visible.sync="dialogVisible"
                width="400px">
            <el-row :gutter="10" style="margin: -20px 0px -10px 0px;">
                <el-col v-for="(user, index) in users" :key="index" :span="8">
                    <div class="user-btn" @click="handleUserBtnClick(user)">
                        <d2-icon name="user-circle-o"/>
                        <span>{{user.name}}</span>
                    </div>
                </el-col>
            </el-row>
        </el-dialog>
    </div>
</template>

<script>
    /* eslint-disable */
    require('particles.js')
    import config from './config/default'
    import {mapActions} from 'vuex'

    export default {
        data() {
            return {
                // 快速选择用户
                dialogVisible: false,
                loading: false,
                users: [
                    {
                        name: '管理员',
                        username: 'admin',
                        password: '1'
                    },
                    {
                        name: '编辑',
                        username: 'editor',
                        password: 'editor'
                    },
                    {
                        name: '用户1',
                        username: 'test',
                        password: '1'
                    }
                ],
                // 表单
                formLogin: {
                    username: 'admin',
                    password: '1',
                    code: 'v9am'
                },
                // 校验
                rules: {
                    username: [
                        {required: true, message: '请输入用户名', trigger: 'blur'}
                    ],
                    password: [
                        {required: true, message: '请输入密码', trigger: 'blur'}
                    ],
                    code: [
                        {required: true, message: '请输入验证码', trigger: 'blur'}
                    ]
                }
            }
        },
        mounted() {
            // 初始化例子插件
            //particlesJS('login', config)
        },
        beforeDestroy() {
            // 销毁 particlesJS
            // thanks https://github.com/d2-projects/d2-admin/issues/65
            // ref https://github.com/VincentGarreau/particles.js/issues/63
            if (pJSDom && pJSDom.length > 0) {
                pJSDom[0].pJS.fn.vendors.destroypJS()
                pJSDom = []
            }
        },
        methods: {
            ...mapActions('d2admin/account', [
                'login'
            ]),
            /**
             * @description 接收选择一个用户快速登录的事件
             * @param {Object} user 用户信息
             */
            handleUserBtnClick(user) {
                this.formLogin.username = user.username
                this.formLogin.password = user.password
                this.submit()
            },
            /**
             * @description 提交表单
             */
            // 提交登录信息
            submit() {
                this.$refs.loginForm.validate((valid) => {
                    if (valid) {

                        // 登录
                        // 注意 这里的演示没有传验证码
                        // 具体需要传递的数据请自行修改代码
                        this.login({
                            vm: this,
                            username: this.formLogin.username,
                            password: this.formLogin.password
                        })
                    } else {
                        // 登录表单校验失败
                        this.$message.error('表单校验失败')
                    }
                })
            }
        }
    }
</script>

<style lang="scss">
    @import './style.scss';
</style>
